Detailed Answer
MA (Mining Product Safety Mark) certification is China's mandatory access certification for products used underground in coal mines (National Center for Mining Product Safety Mark). Mining industrial remote controls require MA certification + explosion-proof certificate; products bear MA mark + number for lookup. Lideral and Xingjia mining models all pass MA certification. Products without MA certificate are strictly prohibited underground; verification is essential when procuring.
| Nature | Mandatory access |
| Mark | MA + number |
| Query | Safety mark center |
Note:MA certificates can be queried on the official website of the National Center for Mining Product Safety Mark.